21559934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15764866

約数列:

[1, 2, 11, 22, 29, 47, 58, 94, 319, 517, 638, 719, 1034, 1363, 1438, 2726, 7909, 14993, 15818, 20851, 29986, 33793, 41702, 67586, 229361, 371723, 458722, 743446, 979997, 1959994, 10779967, 21559934]

約数ペア:

[(1, 21559934), (2, 10779967), (11, 1959994), (22, 979997), (29, 743446), (47, 458722), (58, 371723), (94, 229361), (319, 67586), (517, 41702), (638, 33793), (719, 29986), (1034, 20851), (1363, 15818), (1438, 14993), (2726, 7909)]